On Tue, Aug 07, 2012 at 03:59:42PM +0800, Craig Ringer wrote:
> On 08/07/2012 02:27 AM, Robert Haas wrote:
> >I did not commit the advanced.sgml changes.
>
> That's arguably the most important point to raise this. The most
> recent question came from someone who actually bothered to RTFM and
> believed based on the advanced-transactions page that rollback rolls
> *everything* back.
Perhaps we should see about correcting that misapprehension. When
PostgreSQL does any irreversible process
<http://en.wikipedia.org/wiki/Irreversible_process> such as
incrementing a sequence, writing a file, sending an email, etc., it
can't be rolled back. Might it be useful to find those irreversible
operations we document and mark same?
Cheers,
David.
--
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